Lines Matching refs:extent
259 unsigned long extent, next, old_end;
273 for (; old_addr < old_end; old_addr += extent, new_addr += extent) {
276 /* even if next overflowed, extent below will be ok */
277 extent = next - old_addr;
278 if (extent > old_end - old_addr)
279 extent = old_end - old_addr;
281 if (extent > next - new_addr)
282 extent = next - new_addr;
290 if (extent == HPAGE_PMD_SIZE) {
305 } else if (extent == PMD_SIZE) {
308 * If the extent is PMD-sized, try to speed the move by
324 move_ptes(vma, old_pmd, old_addr, old_addr + extent, new_vma,